328578264 has 96 divisors (see below), whose sum is σ = 1041899040. Its totient is φ = 91584000.

The previous prime is 328578259. The next prime is 328578277. The reversal of 328578264 is 462875823.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12714 + ... + 28614.

It is an arithmetic number, because the mean of its divisors is an integer number (10853115).

Almost surely, 2^328578264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328578264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520949520).

328578264 is an abundant number, since it is smaller than the sum of its proper divisors (713320776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328578264 is a wasteful number, since it uses less digits than its factorization.

328578264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15961 (or 15954 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 328578264 is about 18126.7278900523. The cubic root of 328578264 is about 690.0484906060.

The spelling of 328578264 in words is "three hundred twenty-eight million, five hundred seventy-eight thousand, two hundred sixty-four".